1. National Centre for Borderland Ethnic Studies in Southwest China, Yunnan University, Kunming, People’s Republic of China
2. School of Ethnology and Sociology, Yunnan University, Kunming, People’s Republic of China
3. Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, People’s Republic of China
4. World Agroforestry Centre, East and Central Asia, Kunming, People’s Republic of China